Webaverage act scores by state graduating class 2018. Websep 4, 2024 · the latest scoring data (2023) shows that the average composite score on the act® test is 19. 5. By section, the national averages are: Webdata are for high school graduates who took the act test during their sophomore, junior, or senior year. If a student took the act test more than once, the composite and subject. Massachusetts has the highest average act score of 26, and connecticut followed. Webaverage act scores by state graduating class of 2023. Webthis data byte provides average act scores and the percentages of students meeting each act college readiness benchmark for act’s 2021 graduating class by state (national.